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construct/modules/client/sync/rooms/ephemeral/receipt.cc

190 lines
3.4 KiB
C++

// Matrix Construct
//
// Copyright (C) Matrix Construct Developers, Authors & Contributors
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice is present in all copies. The
// full license for this software is available in the LICENSE file.
ircd::mapi::header
IRCD_MODULE
{
"Client Sync :Room Ephemeral :Receipts"
};
namespace ircd::m::sync
{
static bool _handle_message_receipt(data &, const m::event &);
static bool _handle_message(data &, const m::event::idx &);
static bool room_ephemeral_m_receipt_m_read_polylog(data &);
static bool room_ephemeral_m_receipt_m_read_linear(data &);
extern item room_ephemeral_m_receipt_m_read;
}
decltype(ircd::m::sync::room_ephemeral_m_receipt_m_read)
ircd::m::sync::room_ephemeral_m_receipt_m_read
{
"rooms.ephemeral.m_receipt",
room_ephemeral_m_receipt_m_read_polylog,
room_ephemeral_m_receipt_m_read_linear
};
bool
ircd::m::sync::room_ephemeral_m_receipt_m_read_linear(data &data)
{
assert(data.event);
if(json::get<"type"_>(*data.event) != "ircd.read")
return false;
const m::room room
{
json::get<"state_key"_>(*data.event)
};
if(!room.membership(data.user, "join"))
return false;
json::stack::object rooms
{
*data.out, "rooms"
};
json::stack::object membership_
{
*data.out, "join"
};
json::stack::object room_
{
*data.out, room.room_id
};
json::stack::object ephemeral
{
*data.out, "ephemeral"
};
json::stack::array events
{
*data.out, "events"
};
_handle_message_receipt(data, *data.event);
return true;
}
bool
ircd::m::sync::room_ephemeral_m_receipt_m_read_polylog(data &data)
{
const m::room &room{*data.room};
m::room::messages it
{
room
};
ssize_t i(0);
event::idx idx(0);
for(; it && i < 10; --it)
{
if(apropos(data, it.event_idx()))
{
idx = it.event_idx();
++i;
}
else if(i > 0)
break;
}
if(i > 0 && !it && idx)
it.seek(idx);
bool ret{false};
if(i > 0 && idx)
for(; it && i > -1; ++it, --i)
ret |= _handle_message(data, it.event_idx());
return ret;
}
bool
ircd::m::sync::_handle_message(data &data,
const event::idx &idx)
{
bool ret{false};
if(!apropos(data, idx))
return ret;
const event::refs refs{idx};
refs.for_each(dbs::ref::M_RECEIPT__M_READ, [&data, &ret]
(const event::idx &idx, const auto &type)
{
assert(type == dbs::ref::M_RECEIPT__M_READ);
static const m::event::fetch::opts fopts
{
m::event::keys::include{"content", "sender"}
};
const m::event::fetch event
{
idx, std::nothrow, fopts
};
if(event.valid)
ret |= _handle_message_receipt(data, event);
return true;
});
return ret;
}
bool
ircd::m::sync::_handle_message_receipt(data &data,
const m::event &event)
{
const json::object content
{
at<"content"_>(event)
};
json::stack::object object
{
*data.out
};
// type
json::stack::member
{
object, "type", "m.receipt"
};
// content
json::stack::object content_
{
object, "content"
};
json::stack::object event_id_
{
content_, unquote(content.at("event_id"))
};
json::stack::object m_read_
{
event_id_, "m.read"
};
json::stack::object sender_
{
m_read_, at<"sender"_>(event)
};
json::stack::member
{
sender_, "ts", json::value(content.at("ts"))
};
return true;
}